Wrapper Or Binder Patents (Class 131/365)
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Patent number: 12171258Abstract: An aerosol-generating article according to one embodiment includes a medium portion; a first hollow tube disposed to face a downstream end of the medium portion and including a first hollow; a cooling portion disposed next to a downstream side of the first hollow tube, including a second hollow tube including a second hollow having a diameter equal to or greater than a diameter of the first hollow and a cooling element; a filter portion disposed to face the downstream end of the cooling portion; and a wrapper wrapping at least a portion of the medium portion, the first hollow tube, the cooling portion, and the filter portion.Type: GrantFiled: November 15, 2019Date of Patent: December 24, 2024Assignee: KT&G CORPORATIONInventors: Bong Su Cheong, Dong Kyun Ko, Jae Sung Noh, Sang Won Choi, Jung Seop Hwang
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Patent number: 12161146Abstract: An synthetic fiber oral flavored product includes a fibrous substrate. The fibrous substrate is made of a synthetic polyester in a typically pelletized shape imbued a carrier liquid of propylene glycol or equivalent. The carrier liquid carries a freebase synthetic nicotine, a binding agent, a textural adjustment agent and flavorants. In some examples, the fibrous substrate is heat treated and modified by heating and rapid cooling the substrate to increase the zeta potential of the fibrous substrate.Type: GrantFiled: February 17, 2021Date of Patent: December 10, 2024Inventors: Brendan McDermott, Charles Melander, John Morrison, Gregory Hoffman, Rob Riesel
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Patent number: 12150471Abstract: A tobacco rod for a flavor inhaler includes a cylindrical container, and a flavor source including tobacco filled in the cylindrical container, in which the flavor source is filled in such a manner as to form voids over a longitudinal direction, and the following relationship is satisfied: S/T?17%, wherein T represents an area of all voids present in a cross-section of the flavor source orthogonal to the longitudinal direction of the cylindrical container, and S represents a total area of voids each having an area of 800000 ?m2 or more in the cross-section.Type: GrantFiled: November 16, 2021Date of Patent: November 26, 2024Assignee: JAPAN TOBACCO INC.Inventors: Hirofumi Fujikura, Kaori Takai, Takeshi Shinkawa, Kimitaka Uchii
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Patent number: 12114690Abstract: The present invention relates to an aerosol-generating article (10) for use with an aerosol-generating device comprising a heating element, or with an integral heat source, the aerosol-generating article (10) comprising an aerosol-forming substrate (20), a substantially incombustible wrapper (3) circumscribing the aerosol-forming substrate (20) and comprising inner and outer surfaces, wherein the inner surface of the wrapper (3) has an at least partially textured surface (5) configured to overlap a portion of the outer surface (4) of the wrapper (3) when the wrapper (3) is wrapped around the aerosol-forming substrate (20). The invention further relates to an apparatus and a method for forming an aerosol-generating article (10).Type: GrantFiled: June 21, 2019Date of Patent: October 15, 2024Assignee: Philip Morris Products S.A.Inventors: Clemente Iadanza, Lorenzo Righi
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Patent number: 12075820Abstract: The present invention addresses the problem of providing a wrapping paper for a non-combustible heated-type smoking article with which the occurrence of staining is suppressed. The present invention resolves said problem by means of a wrapping paper for a non-combustible heated type smoking article, the wrapping paper having a basis weight of at least 35 g/m2, a pulp freeness of at least 69° SR, an air permeability of no more than 20 CU, and an opacity of no more than 85%.Type: GrantFiled: December 31, 2020Date of Patent: September 3, 2024Assignee: JAPAN TOBACCO INC.Inventors: Toru Sakurai, Noriko Osawa
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Patent number: 12016395Abstract: An e-vaping apparatus is described. The e-vaping apparatus includes a heater component. The e-vaping apparatus also includes a cartridge with a channel. The channel is filled with an oxygen producing component. The oxygen producing component is configured to release a vapor upon being heated by the heater component. The vapor includes oxygen.Type: GrantFiled: April 29, 2019Date of Patent: June 25, 2024Inventor: Caesar Brazza
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Patent number: 12011027Abstract: An aerosol generating material is disclosed containing a reconstituted cocoa bean husk material. The reconstituted material can contain extracted cocoa husk fibers in combination with web building fibers, such as softwood fibers. The reconstituted cocoa husk material is capable of generating an aerosol, such as a smoke, that has a very mild and neutral taste without any harsh components. The reconstituted cocoa husk material contains no nicotine and produces lower tar than conventional tobacco materials. The material can be used as a carrier for delivering various active agents in an aerosol generated by the material in a controlled, consistent and uniform manner.Type: GrantFiled: February 11, 2020Date of Patent: June 18, 2024Assignee: SWM Holdings US, LLCInventors: Cedric Rousseau, Cedric Jardin, Doriane Bigot
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Patent number: 12011030Abstract: A method for comprehensively analyzing and/or evaluating cigarette burning quality index is disclosed. The steps include collecting cigarette burning quality index data, filtering the cigarette burning quality index data, standardizing cigarette data, and measuring cigarette burning quality. The importance of the cigarette burning quality indicators can also be evaluated. The method for comprehensively analyzing and/or evaluating cigarette burning quality indicators can reflect general laws more accurately by maintaining the sample distribution through a singularity detection method, and analyzing correlations of each index with cigarette performance from multiple perspectives, to fuse them into a comprehensive measurement value. The importance ranking and weight of indicators can be obtained more completely and stably.Type: GrantFiled: November 8, 2023Date of Patent: June 18, 2024Assignee: China Tobacco Yunnan Industrial Co., Ltd.Inventors: Han Zheng, Jianbo Zhan, Hao Wang, Zhenhua Yu, Xu Wang, Jiao Xie, Ying Zhang, Tao Wang, Tingting Yu, Baoshan Yue
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Patent number: 11950625Abstract: A smoking article is provided, including: a combustible heat source having front and rear ends; an aerosol-forming substrate downstream of the rear end; an outer wrapper circumscribing the substrate and at least a rear portion of the heat source; one or more airflow pathways along which air may be drawn through the article for inhalation; one or more third air inlets downstream of the substrate for drawing air into the airflow pathways; and an airflow directing element downstream of the substrate, the third air inlets being provided between a downstream end of the substrate and a downstream end of the airflow directing element, the airflow pathways include an airflow pathway extending between the third air inlets and a mouth end of the article, and the heat source being isolated from the pathways such that air drawn through the article along the pathways does not directly contact the heat source.Type: GrantFiled: November 2, 2021Date of Patent: April 9, 2024Assignee: Philip Morris Products S.A.Inventors: Oleg Mironov, Laurent Edouard Poget
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Patent number: 11950629Abstract: A vapour generating device is provided with a vapour generating place and a cover defining a closable opening to the vapour generating place. The cover is biased toward a closed position, so that dust and particulate matter may not readily enter the vapour generating place, and openable to an open position when receiving a vapour generating rod.Type: GrantFiled: May 17, 2019Date of Patent: April 9, 2024Assignee: JT International S.A.Inventors: Giovanni Doci, Layth Bouchuiguir
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Patent number: 11946204Abstract: The present invention provides a method for printing high opacity images or coatings using solvent based inks comprising hollow polymeric microspheres, wherein the inks do not contain titanium dioxide. The International Agency for Research on Cancer (IARC) has classified titanium dioxide as “possibly carcinogenic to humans,” The method of the present invention allows one to avoid the use of inks that rely on titanium oxide for high opacity, which has become of importance for articles that come into contact with one's mouth, for example, cigarette tipping papers.Type: GrantFiled: November 9, 2021Date of Patent: April 2, 2024Assignee: Sun Chemical CorporationInventors: Dana Mohr, Jarol Osorio
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Patent number: 11918033Abstract: A rolling paper has a rectangular region being one side surface of the rolling paper, the rectangular region having a first and a second long edge of a first length and a first and a second short edge of second length, a first adhesive strip having a first width less than one-fourth of the second length along the full length of the first long edge, and a second adhesive strip of a third length less than one-half the first length of the first long edge, and a second width less than one-fourth of the second length, the second adhesive strip along the second long edge, one end of the second adhesive strip abutting the first short edge.Type: GrantFiled: May 3, 2022Date of Patent: March 5, 2024Inventor: Jason Ashton
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Patent number: 11882869Abstract: A cigarette according to an embodiment may include a cigarette rod including an aerosol-generating material; a filter rod located at one end of the cigarette rod and including a first segment and a second segment; a front end plug located at the other end of the cigarette rod; and an outer wrapper wrapping the cigarette rod, the filter rod and the front end plug, wherein the outer wrapper has a basis weight of 57 g/m2 to 63 g/m2 and a thickness of 64 ?m to 70 ?m to increase the strength of the cigarette.Type: GrantFiled: November 12, 2019Date of Patent: January 30, 2024Assignee: KT&G CORPORATIONInventors: Jung Seop Hwang, Dong Kyun Ko, Jae Sung Noh, Bong Su Cheong, Sang Won Choi
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Patent number: 11864583Abstract: A smoking product and method of making thereof for the consumption of a smokable substance. The product has a hollow conical shape that allows for the easy insertion of smokable substances. Additionally, the conical or frustoconical shape of the product provides for larger amounts of smokable substances in the end of the product the consumer lights, resulting in an initial slower prolonged burn. Additionally, the product includes a supporting filter tip with v-shaped visual indicator contained therein and is packaged for sale in packaging in an unfilled state allowing a user to remove the product from the packaging, fill it with the user's selected custom smokable filler and form a custom smoking product.Type: GrantFiled: April 19, 2023Date of Patent: January 9, 2024Assignee: IP Trademark Holdings, Inc.Inventor: Pedro Almonte
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Patent number: 11802378Abstract: An object is to provide a water-dispersible paper that exhibits excellent dispersibility in water. As a solution, a water-dispersible paper is provided, which has: a base paper that has a bulky layer containing 10% by weight or higher of a softwood pulp with a lumen width (l) to fiber diameter (D) ratio (l/D) of 0.60 or lower on average; and a water-soluble polymer impregnated into the base paper.Type: GrantFiled: March 23, 2020Date of Patent: October 31, 2023Assignee: NIPPON PAPER PAPYLIA CO., LTD.Inventors: Masaki Kishimoto, Yoshiaki Ishino
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Patent number: 11737491Abstract: A filtered smoking article includes a smoking body, a filter including a filter member and an air-permeable paper, and having a flavor capsule arranged therein, and a tipping paper. The flavor capsule includes a capsule body, and a colored content liquid containing a flavor component. The air-permeable paper is arranged to be opposed to a region in which the colored content liquid is released when the flavor capsule is crushed, and has an air permeability of 1,000 C.U. to 30,000 C.U. The tipping paper is impermeable to the colored content liquid, and includes at least three transparent parts. Each of the transparent parts is arranged to be opposed to the region in which the colored content liquid is released.Type: GrantFiled: April 2, 2020Date of Patent: August 29, 2023Assignee: JAPAN TOBACCO INC.Inventor: Tetsuya Motodamari
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Patent number: 11717023Abstract: A filtered smoking article includes an aerosol generation rod, a filter disposed at a downstream end of the aerosol generation rod, and tipping paper wrapped around a downstream end part of the aerosol generation rod and an outer circumferential surface of the filter and connecting the aerosol generation rod and the filter. The tipping paper is paper containing bleached pulp and unbleached pulp, and fibers of the unbleached pulp have a length of 1 mm to 4 mm and a thickness of 20 ?m to 70 ?m.Type: GrantFiled: June 25, 2020Date of Patent: August 8, 2023Assignee: JAPAN TOBACCO INC.Inventors: Toru Sakurai, Taku Hideshima, Yusuke Kuromiya
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Patent number: 11707082Abstract: A process for making patterned cigarette wrapper includes the steps of: preparing a printing solution including the steps of: mixing at least water and a starch to form a starch mixture, heating the starch mixture to a temperature of at least about 180° F. preferably for at least about 30 minutes to release amylopectin and amylose, adding propylene glycol to the starch mixture, and mixing the starch mixture and propylene glycol to form a printing solution, wherein the solution is maintained and applied at elevated temperature (120° F. to 150° F.). The process also includes providing a base web of wrapper and applying the printing solution to the wrapper in a predetermined pattern.Type: GrantFiled: February 1, 2017Date of Patent: July 25, 2023Assignee: Altria Client Services LLCInventors: Marc Rose, Timothy S. Sherwood, Robert N. Smith
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Patent number: 11678691Abstract: A smoking product includes a cylindrical crutch in substantial axial alignment with a hollow conical mold, and a tobacco leaf rolled cone formed around the cylindrical crutch and the hollow conical mold. A truncated minor diameter end of the hollow conical mold forms a circular rim in contact with an end of the cylindrical crutch, where the cylindrical crutch and the circular rim have substantially the same outer diameter. The hollow conical mold may remain inside the tobacco leaf rolled cone until use, but is easily removable from the tobacco leaf rolled cone without damaging the tobacco leaf rolled cone.Type: GrantFiled: April 7, 2020Date of Patent: June 20, 2023Inventor: Nader Rabie
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Patent number: 11547141Abstract: A filter strip is provided for rolling sheets to construct custom cigars and/or cigarettes. The filter strip may be made of a deformable material which can be positioned on one end of the rolling sheet. The filter strip can be folded in a zig zag or spiral filter section with open section located longitudinally below to form a filter tip. The filter tip can assist the user in rolling by hand a substantially cylindrical or conical cigar or cigarette. The filter tip prevents tobacco filler material from being drawn through the cigar or cigarette and into a user's mouth, and permits the entire amount of tobacco filler to be consumed/smoked without risking burned hands and/or lips.Type: GrantFiled: May 27, 2019Date of Patent: January 10, 2023Inventors: Thomas Jesperson, Anders Overgaard Neilson, Daniel S. Sinclair, Jr.
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Patent number: 11517048Abstract: The present invention relates to a rod-shaped aerosol-generating article for use with an electrically heated aerosol-generating device. The article comprises a substrate core and a filler sleeve surrounding the substrate core. The substrate core comprises an aerosol-forming substrate and has a non-circular outer cross-section. The invention further relates to electrically heated aerosol-generating device and an aerosol-generating system for use with an aerosol-generating article.Type: GrantFiled: May 9, 2018Date of Patent: December 6, 2022Assignee: Philip Morris Products S.A.Inventors: Poh Yoke Tritz, Rui Nuno Batista
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Patent number: 11388928Abstract: A smoking article (10) comprises a tobacco rod (12) and a filter (14) connected to the tobacco rod. The filter (14) comprises a flow restrictor (24). The smoking article further comprises a ventilation zone (18) at a location along the filter downstream of the flow restrictor. The diameter of the tobacco rod (12) is from about 5 mm to about 8.5 mm, the tobacco packing density within the tobacco rod is from about 180 mg/cubic centimetre to about 280 mg/cubic centimetre, and the length of the tobacco rod is from about 15 mm to about 45 mm. Further, the tobacco rod (12) is circumscribed by a wrapper (13) having an air permeability of less than about 20 Coresta units, the wrapper being made of a transparent regenerated cellulose film, or cellophane.Type: GrantFiled: September 29, 2016Date of Patent: July 19, 2022Assignee: Philip Morris Products S.A.Inventor: Clement Besso
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Patent number: 11388925Abstract: A wrapping material for a smoking article is formed from a web that includes extracted pieces of cannabis combined with web building fibers. The web has a basis weight of from about 20 gsm to about 80 gsm and a permeability of from about 10 Coresta to about 100 Coresta. The wrapping material has a natural cannabis smell and taste. The wrapping material is tobacco and nicotine free and can be used as a carrier for flavorings or aerosol delivery compositions.Type: GrantFiled: February 11, 2020Date of Patent: July 19, 2022Assignee: Schweitzer-Mauduit International, Inc.Inventors: Cedric Rousseau, Jerome Accou, Arthur Gouth, Laurent Gombert
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Patent number: 11213066Abstract: A cigarette includes a tobacco rod, and a filter comprising a first filter plug on a tobacco rod side connected to an end of the tobacco rod, a second filter plug on a cigarette end side, and a flavor capsule arranged between the first and second filter plugs or in the second filter plug. The first filter plug has a ventilation hole, and ventilation resistance of the second filter plug is lower than that of the first filter plug.Type: GrantFiled: September 30, 2013Date of Patent: January 4, 2022Assignee: JAPAN TOBACCO INC.Inventors: Tetsuya Motodamari, Susumu Yokogawa
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Patent number: 11197496Abstract: A smoking article is disclosed herein. The smoking article includes a shell defining an interior space, a consumable substance within the interior space, a heat source effective to increase the temperature of at least a portion of the shell, and a label attached to at least a portion of the shell. The label includes a base film, a cover film, and a temperature dependent material disposed between the base film and the cover film. The temperature dependent material is configured to transition between a first appearance and a second appearance responsive to the increase of the temperature of at least a portion of the shell.Type: GrantFiled: December 21, 2018Date of Patent: December 14, 2021Assignee: R.J. Reynolds Tobacco CompanyInventors: Andries Don Sebastian, Craig T. Demarest, Jarkko Tuominen, Annukka Kokkonen, Antti Sunnari, Sanna Uusitalo, Olli-Heikki Huttunen
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Patent number: 11064729Abstract: A wrapper for a smoking article has a base web and a plurality of crenellated bands, each having a diffusivity value in the range of 0 to about 0.2 cm/sec. The add-on material can be applied by gravure printing in a single pass in a chevron pattern such that an apex of the element is co-linear with substantially symmetrically spaced points on a trailing, outer edge of an adjacent chevron element. Testing elements may be simultaneously printed with the add-on material to monitor diffusivity and/or presence of add-on material.Type: GrantFiled: May 16, 2013Date of Patent: July 20, 2021Assignee: Altria Client Services LLCInventors: Marc Rose, Timothy S. Sherwood, Robert N. Smith
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Patent number: 11013257Abstract: The present invention relates to a cellulose filter paper for testing the ignition propensity of cigarette paper that is provided with a marking with which the rough surface of the filter paper can be distinguished from the smooth surface, and a method for its production, a method for testing the ignition propensity of cigarette paper, and a kit having a plurality of such filter papers or stacks of such filter papers.Type: GrantFiled: October 21, 2016Date of Patent: May 25, 2021Assignee: AXAGARIUS GMBH & CO. KGInventors: Markus Meusel, Christian Prokisch
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Patent number: 10939700Abstract: Provided are materials for making a hand rolled smoking article having a novel sheet. The sheet can include a rectangular portion and an irregular shaped portion. The sheet can be manufactured from tobacco leaf or foil, homogenized tobacco paper, or conventionally available rolling paper. The sheet can be filled with a filler material and rolled to form a cigar or cigarette.Type: GrantFiled: May 7, 2018Date of Patent: March 9, 2021Inventor: Daniel S. Sinclair, Jr.
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Patent number: 10905154Abstract: A cigarette wrapper includes transversely extending banded regions applied by a printing technique, such as gravure printing. The banded regions may be applied in a one or more application of a printing composition that may be an aqueous starch solution also containing an anti-wrinkling agent such as propylene glycol, and calcium carbonate. The pattern of banded regions may be bands or stripes and the like along and/or around the tobacco rod. The banded regions may be solid or contain any number of cross-web and/or longitudinal discontinuities. The pattern may be configured so that when a smoking article is placed on a substrate, at least two longitudinal locations along the length of the tobacco rod have film-forming compound located only on sides of the smoking article not in contact with the substrate.Type: GrantFiled: May 16, 2012Date of Patent: February 2, 2021Assignee: Altria Client Services LLCInventors: Timothy S. Sherwood, Robert N. Smith, Marc W. Rose, Tyrone W. Murray
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Patent number: 10806173Abstract: A product and method of making thereof for the consumption of smokable substances such as tobacco or herbs. The product is comprised of smokable materials such as tobacco, homogenized tobacco, natural leaf materials, vegetable materials, herbal materials, paper, cellulose, and other smokable materials and has a connected form mandrel which is used during the rolling process and disconnected after substantial completion of the rolling process.Type: GrantFiled: October 29, 2018Date of Patent: October 20, 2020Inventor: Ron Tully
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Patent number: 10485264Abstract: A rolling paper includes a hydrophobic substrate region comprising hydrophobic groups covalently bonded to the rolling paper, and a moisture-activated adhesive adjacent to the hydrophobic substrate region and longitudinal edge of the rolling paper.Type: GrantFiled: December 16, 2015Date of Patent: November 26, 2019Assignee: Philip Morris Products S.A.Inventors: Philippe Slama, Alen Kadiric
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Patent number: 10405573Abstract: A wrapping paper for smoking articles has a basis weight of at least 10 g/m2 and at most 70 g/m2 and comprises a mixture of cellulosic pulp fibers comprising at least 90% of short-fiber cellulosic pulp fibers, based on the mass of the cellulosic pulp fibers in the cellulosic pulp mixture, or comprising at least 95% of short-fiber cellulosic pulp fibers, based on the number of cellulosic pulp fibers, with at least 10% of the short-fiber cellulosic pulp fibers being ground, based on the mass of the number of cellulosic pulp fibers of the cellulosic pulp fiber mixture, and with the wrapping paper having over more than 50% of its area, preferably at least 55% of its area and especially preferably at least 60% of its area, an air permeability of at least 30 cm3/(cm2,min-kPa), and where the wrapping paper comprises at least one burning salt.Type: GrantFiled: April 7, 2016Date of Patent: September 10, 2019Assignee: delfortgroup AGInventors: Kannika Pesendorfer, Karin Sjöström, Dietmar Volgger, Rainer Fantur
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Patent number: 10349673Abstract: The present invention relates to a composition having two or three film-forming agents for applying to cigarette paper, wherein the molecular weight distributions of the film-forming agents are statistically significantly different from each other. The invention further relates to a cigarette paper on which the composition is applied to discrete regions, wherein the regions are characterized by a value for diffusivity, and to a cigarette comprising the cigarette paper, characterized by values for auto-selection. The present invention further relates to a method for producing the cigarette paper and the cigarette.Type: GrantFiled: June 23, 2010Date of Patent: July 16, 2019Assignee: Delfortgroup AGInventor: Dietmar Volgger
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Patent number: 10258078Abstract: A process for reducing the permeability of a paper wrapper used in the construction of a smoking article is disclosed. The paper wrapper is treated with a film-forming composition that forms treated discrete areas on the wrapper. The treated discrete areas have a permeability within a predetermined range sufficient to reduce the ignition proclivity properties of a smoking article made with the wrapper. In accordance with the present invention, the film-forming composition is applied as multiple layers to the paper wrapper. After each application step, the wrapper is dried. Applying the film-forming composition to the paper wrapper in multiple layers minimizes distortion and other adverse affects that may occur to the wrapper.Type: GrantFiled: March 30, 2004Date of Patent: April 16, 2019Assignee: Schweitzer-Mauduit International, Inc.Inventors: Richard M. Peterson, Joseph S. Kucherovsky, Thomas A. Kraker
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Patent number: 10231481Abstract: A cigarette paper is disclosed that has at least one treated area to which a composition that contains filler particles or a mixture of filler particles is applied. The diffusion capacity thereby in the at least one treated area is less than in an untreated area of the cigarette paper, wherein at least 20% by weight, preferably at least 50% by weight and particularly preferably at least 70% by weight of the filler particles in the treated area are formed by a filler with a flaked shape or a filler with a cubic shape. Additionally or alternatively, a filler with a scalenohedral or rhombohedral crystal structure can be used, as long as the particle size distribution is selected appropriately.Type: GrantFiled: August 7, 2014Date of Patent: March 19, 2019Assignee: delfortgroup AGInventors: Dietmar Volgger, Roland Zitturi
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Patent number: 9993022Abstract: Disclosed is a smoking article wrapping material comprising a base wrapping material to which has been applied, at least in discrete zones, a composition comprising a mechanically fragmented, chemically crosslinked polysaccharide having a particle size (weighted average) in the range from 1 to 1000 ?m for the dry product; a process for production thereof; and a smoking article comprising the smoking article wrapping material described.Type: GrantFiled: September 30, 2015Date of Patent: June 12, 2018Assignee: GLATZ FEINPAPIERE JULIUS GLATZ GMBHInventor: Thomas Fritzsching
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Patent number: 9961935Abstract: Provided are materials for making a hand rolled smoking article having a novel sheet. The sheet can include a rectangular portion and an irregular shaped portion. The sheet can be manufactured from tobacco leaf or foil, homogenized tobacco paper, or conventionally available rolling paper. The sheet can be filled with a filler material and rolled to form a cigar or cigarette.Type: GrantFiled: August 25, 2015Date of Patent: May 8, 2018Assignee: Blunt Wrap U.S.A., Inc.Inventor: Daniel S. Sinclair, Jr.
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Patent number: 9655381Abstract: A finished tobacco product is formed by a set of pre-rolled sheets. In one embodiment a form casing is used which includes at least two portions—a non-smokable portion along with a container portion which includes tobacco filler material.Type: GrantFiled: October 28, 2014Date of Patent: May 23, 2017Assignee: Blunt Wrap U.S.A., Inc.Inventor: Daniel S. Sinclair, Jr.
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Patent number: 9635882Abstract: A cigarette paper is shown which has the following properties over at least a part of its surface: no artificial perforation, the air permeability is at least 15 CU, preferably at least 20 CU, and especially preferably at least 25 CU, and for the exponent k, measured with a measuring head with a rectangular opening of 2 mm by 15 mm, in accordance with ISO 2965:2009, which is defined by k = log ? Q 1 Q 2 log ? p 1 p 2 with Q1: air-flow through the paper at a pressure difference p1=1.00 kPa and Q2: air-flow through the paper at a pressure difference p2=0.25 kPa, the following holds k?0.98, preferably k?0.95, especially preferably k?0.93, and k?0.80, preferably k?0.85.Type: GrantFiled: April 29, 2013Date of Patent: May 2, 2017Assignee: delfortgroup AGInventors: Bernhard Eitzinger, Maria Gleinser
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Patent number: 9392818Abstract: The invention relates to a cigarette paper for self-extinguishing cigarettes. The cigarette paper comprises bands onto which a material reducing the diffusion capacity is applied, wherein a band comprises two band-like outer zones (18a, 18b) and a band-like central zone (20) therebetween. The said material is applied substantially over the entire surface up to the outer zones (18a, 18b) of the band (10). The aforementioned material is additionally applied to at least 70%, preferably at least 75% and/or at most 95%, preferably at most 90% of the surface of the central zone (20). The surface (22) to which the said material is applied is path-connected. The surface of the central zone (20), to which the said material is applied is likewise path-connected.Type: GrantFiled: October 22, 2013Date of Patent: July 19, 2016Assignee: delfortgroup AGInventors: Roland Zitturi, Dietmar Volgger
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Patent number: 9351520Abstract: Cigarettes and cigarette components such as tobacco cut filler and cigarette paper, and methods for making cigarette components are provided that comprise nanostructured fibrils. The nanostructured fibrils, which can be formed and deposited in situ on tobacco cut filler and/or cigarette paper by laser vaporization controlled condensation or chemical reaction, are capable of acting as an oxidant for the conversion of carbon monoxide carbon dioxide and/or as a catalyst for the conversion of carbon monoxide to carbon dioxide. Cigarettes are provided that comprise tobacco cut filler and cigarette paper, wherein nanostructured fibrils are deposited on, or incorporated in, at least one of the tobacco cut filler and cigarette paper.Type: GrantFiled: February 11, 2009Date of Patent: May 31, 2016Assignee: PHILIP MORRIS USA INC.Inventors: Khaled Saoud, Firooz Rasouli, Shahryar Rabiei, Shalva Gedevanishvili, Mohammad R. Hajaligol
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Patent number: 9326545Abstract: The coating composition of a low ignition propensity cigarette paper according to an exemplary embodiment includes pregelatinized starch, maltodextrin, resistant maltodextrin and ethanol.Type: GrantFiled: July 19, 2012Date of Patent: May 3, 2016Assignee: KT & G CORPORATIONInventors: Young-Sin Kim, Bong-Su Cheong, Seong-Ho Ju, Jong-Oh Kim, Sun-Cheol Kwon
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Patent number: 9302522Abstract: A process for making patterned cigarette wrapper includes the steps of: preparing a printing solution including the steps of: mixing at least water and a starch to form a starch mixture, heating the starch mixture to a temperature of at least about 180° F. preferably for at least about 30 minutes to release amylopectin and amylose, adding propylene glycol to the starch mixture, and mixing the starch mixture and propylene glycol to form a printing solution, wherein the solution is maintained and applied at elevated temperature (120° F. to 150° F.). The process also includes providing a base web of wrapper and applying the printing solution to the wrapper in a predetermined pattern.Type: GrantFiled: December 13, 2011Date of Patent: April 5, 2016Assignee: ALTRIA CLIENT SERVICES LLCInventors: Timothy S. Sherwood, Robert N. Smith, Marc W. Rose
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Patent number: 9277767Abstract: A device for producing cigarettes in the tobacco processing industry that has a tobacco processing unit and a paper feeding unit, which feeds a paper having LIP strips to the tobacco processing unit, wherein the paper feeding unit has a measurement device, which continuously detects the LIP strips, wherein the measurement device has a microwave resonator, through whose measurement region the paper having the LIP strip is passing, and which detects a shift of the resonance curve and/or a broadening of the resonance frequency.Type: GrantFiled: July 6, 2011Date of Patent: March 8, 2016Assignee: TEWS Elektronik GmbH & Co. KGInventors: Rainer Herrmann, Udo Schlemm
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Patent number: 9255361Abstract: Methods for the in situ formation of catalyst particles in cigarette paper are provided. A catalyst precursor, which can be incorporated into the cigarette papermaking process or can be combined with cigarette paper after formation of the paper, can be decomposed to form catalyst particles that are incorporated within the cigarette paper. Cigarette paper comprising the catalyst particles can be used to form a cigarette. During the smoking of a cigarette comprising the catalyst particles the amount of carbon monoxide in the mainstream smoke of the cigarette can be reduced.Type: GrantFiled: March 30, 2007Date of Patent: February 9, 2016Assignee: PHILIP MORRIS USA INC.Inventors: Shalva Gedevanishvili, Shahryar Rabiei
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Patent number: 9161569Abstract: Disclosed is a smoking article wrapping material comprising a base wrapping material to which has been applied, at least in discrete zones, a composition comprising a mechanically fragmented, chemically crosslinked polysaccharide having a particle size (weighted average) in the range from 1 to 1000 ?m for the dry product; a process for production thereof; and a smoking article comprising the smoking article wrapping material described.Type: GrantFiled: April 4, 2011Date of Patent: October 20, 2015Assignee: GLATZ FEINPAPIERE JULIUS GLATZ GMBHInventor: Thomas Fritzsching
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Patent number: 9155335Abstract: A degradable cigarette filter includes a filter element of a bloomed cellulose acetate tow, a plug wrap surrounding the filter element, and either a coating or a pill in contact with the tow. The coating and/or pill may be composed of a material adapted to catalyze hydrolysis of the cellulose acetate tow and a water-soluble matrix material. The material may be an acid, an acid salt, a base, and/or a bacterium adapted to generate an acid. The coating may be applied to the tow, the plug wrap, or both. The pill may be placed in the filter element. When water contacts the water-soluble matrix material, the material adapted to catalyze hydrolysis is released and catalyzes the hydrolysis, and subsequent degradation, of the cellulose acetate tow. The foregoing is also applicable to articles made of cellulose esters.Type: GrantFiled: June 9, 2008Date of Patent: October 13, 2015Assignee: Celanese Acetate LLCInventors: Raymond M. Robertson, William C. Thomas
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Patent number: 9149068Abstract: Wrappers for smoking articles are disclosed having reduced ignition proclivity characteristics. The wrappers include discrete areas treated with a reduced ignition composition. In accordance with the present disclosure, the amount of burn promoting agents is controlled over the surface of the wrapper.Type: GrantFiled: October 11, 2013Date of Patent: October 6, 2015Assignee: Schweitzer-Mauduit International, Inc.Inventors: Larry D. Snow, Francois Mongeon, Thomas A. Kraker
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Patent number: 9113658Abstract: Provided are materials for making a hand rolled smoking article having a novel sheet. The sheet can include a rectangular portion and an irregular shaped portion. The sheet can be manufactured from tobacco leaf or foil, homogenized tobacco paper, or conventionally available rolling paper. The sheet can be filled with a filler material and rolled to form a cigar or cigarette.Type: GrantFiled: February 19, 2009Date of Patent: August 25, 2015Assignee: Blunt Wrap U.S.A., Inc.Inventor: Daniel S. Sinclair, Jr.
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Patent number: 9038644Abstract: Method of applying phase transition substance to impart reduced ignition propensity to a smoking article comprising a tobacco column and a wrapper surrounding the tobacco column and having a porous structure with a base permeability. The method comprising forming a pattern of phase transition material on the wrapper such that, when subjected to the heat of the tobacco column burning firecone, the phase transition material at least partially fills the wrapper porous structure in the vicinity of the burning firecone to form an area on the wrapper having reduced permeability lower than that of the wrapper base permeability. The reduced permeability of the wrapper in the vicinity of the burning firecone imparts reduced ignition propensity such that there is insufficient air flow to sustain combustion of the firecone or insufficient air flow to sustain an intensity of the burning firecone necessary to ignite the substrate.Type: GrantFiled: March 5, 2012Date of Patent: May 26, 2015Assignee: Lorillard Tobacco CompanyInventors: Steven E. Brown, Alexander J. Dyakonov, Luis A. Sanchez